Illustration of Quantitative Analyses of CT Images (IMAGE)
Caption
(A) Axial CT image shows coronary artery calcium (red square). (B) Axial CT image shows pulmonary artery and ascending aorta diameter at level of main pulmonary artery (red arrows). Coronal CT images (C) without and (D) with segmentation label map for lung densitometry to assess emphysema; label map shows lung parenchyma in blue and major airways in red. Axial CT images (E) without and (F) segmentation label map at level of fifth thoracic vertebral body, (G) without and (H) with segmentation label map at level of eighth thoracic vertebral body, and (I) without and (J) with segmentation label map at level of tenth vertebral body, for body composition analysis. Skeletal muscle in red; adipose tissue in green. Axial CT images (K) without and (L) with bone mineral density measurement, depicted by yellow ROI at first lumbar vertebral body.
Credit
American Roentgen Ray Society (ARRS), American Journal of Roentgenology (AJR)
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